diff --git a/tests/reftests/text/fontawesome.html b/tests/reftests/text/fontawesome.html
index 9e278bd..bd05df7 100644
--- a/tests/reftests/text/fontawesome.html
+++ b/tests/reftests/text/fontawesome.html
@@ -4,6 +4,7 @@
     <meta charset="UTF-8">
     <title>fontawesome icons</title>
     <link href="https://use.fontawesome.com/releases/v5.13.0/css/all.css" rel="stylesheet">
+    <link href="https://use.fontawesome.com/releases/v5.13.0/css/v4-shims.css" rel="stylesheet">
     <script type="text/javascript" src="../../test.js"></script>
     <style>
         body {